Need ! which of these sequences is a geometric sequence?
a. 1, 2, 4, 7, 11, 16, 22, …
b. 2, 4, 8, 14, 22, 38, …
c. 3, 6, 9, 12, 15, 18, 21, …
d. 3, 9, 27, 81, 343, 729, …

Tom wants to order tickets online so that he and three of his friends can go to a water park the cost of the tickets is 16.00 per person there is also a 2.50 one-time service fee for ordering tickets online write an expression in term of n that represents the cost for n ordering tickets online

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?

The width of a rectangle is 20 units. can the perimeter p of the rectangle be 64 units when its length x is 11 units? no, because p = 2x + 2(20) no, because p ≠ 2x + 2(20) yes, because p ≠ 2x + 2(20) yes, because p = 2x + 2(20)